13. Find the curvature of the curve y = x at the point (1, 1). 14. Find an equation of the osculating circle of the curve y = x - x² at the origin. Graph both the curve and its osculating circle. 15. Find an equation of the osculating plane of the curve x = sin 2t, y = t, z = cos 2t at the point (0, 7, 1).

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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13,19

8. Find the length of the curve r(t) = (21-
0≤t≤1.
9. The helix r₁(t)
= cos ti+ sin tj + tk intersects the curve
r₂(t) = (1 + t)i + t2j+t³k at the point (1, 0, 0). Find the
angle of intersection of these curves.
siga
10. Reparametrize the curve r(t) = e'i + e' sin tj + e' cost k
with respect to arc length measured from the point (1, 0, 1)
in the direction of increasing t.
11. For the curve given by r(t) = (sin³t, cos³t, sin²t),
0 ≤t≤ π/2, find
365 X 21
(a) the unit tangent vector,
(b) the unit normal vector, (1 1010
(c) the unit binormal vector, and
pont (d) the curvature. libyluonnon
STUIN 51
12. Find the curvature of the ellipse x = 3 cos t, y = 4 sin tat
the points (3, 0) and (0, 4).
13. Find the curvature of the curve y = x4 at the point (1, 1).
14. Find an equation of the osculating circle of the curve
y = x - x² at the origin. Graph both the curve and its
osculating circle.i.tlls to
15. Find an equation of the osculating plane of the curve
x = sin 2t, y = t, z = cos 2t at the point (0, 7, 1).
Transcribed Image Text:8. Find the length of the curve r(t) = (21- 0≤t≤1. 9. The helix r₁(t) = cos ti+ sin tj + tk intersects the curve r₂(t) = (1 + t)i + t2j+t³k at the point (1, 0, 0). Find the angle of intersection of these curves. siga 10. Reparametrize the curve r(t) = e'i + e' sin tj + e' cost k with respect to arc length measured from the point (1, 0, 1) in the direction of increasing t. 11. For the curve given by r(t) = (sin³t, cos³t, sin²t), 0 ≤t≤ π/2, find 365 X 21 (a) the unit tangent vector, (b) the unit normal vector, (1 1010 (c) the unit binormal vector, and pont (d) the curvature. libyluonnon STUIN 51 12. Find the curvature of the ellipse x = 3 cos t, y = 4 sin tat the points (3, 0) and (0, 4). 13. Find the curvature of the curve y = x4 at the point (1, 1). 14. Find an equation of the osculating circle of the curve y = x - x² at the origin. Graph both the curve and its osculating circle.i.tlls to 15. Find an equation of the osculating plane of the curve x = sin 2t, y = t, z = cos 2t at the point (0, 7, 1).
8. Find the length of the curve r(t) = (21-
0≤t≤1.
9. The helix r₁(t)
= cos ti+ sin tj + tk intersects the curve
r₂(t) = (1 + t)i + t2j+t³k at the point (1, 0, 0). Find the
angle of intersection of these curves.
siga
10. Reparametrize the curve r(t) = e'i + e' sin tj + e' cost k
with respect to arc length measured from the point (1, 0, 1)
in the direction of increasing t.
11. For the curve given by r(t) = (sin³t, cos³t, sin²t),
0 ≤t≤ π/2, find
365 X 21
(a) the unit tangent vector,
(b) the unit normal vector, (1 1010
(c) the unit binormal vector, and
pont (d) the curvature. libyluonnon
STUIN 51
12. Find the curvature of the ellipse x = 3 cos t, y = 4 sin tat
the points (3, 0) and (0, 4).
13. Find the curvature of the curve y = x4 at the point (1, 1).
14. Find an equation of the osculating circle of the curve
y = x - x² at the origin. Graph both the curve and its
osculating circle.i.tlls to
15. Find an equation of the osculating plane of the curve
x = sin 2t, y = t, z = cos 2t at the point (0, 7, 1).
Transcribed Image Text:8. Find the length of the curve r(t) = (21- 0≤t≤1. 9. The helix r₁(t) = cos ti+ sin tj + tk intersects the curve r₂(t) = (1 + t)i + t2j+t³k at the point (1, 0, 0). Find the angle of intersection of these curves. siga 10. Reparametrize the curve r(t) = e'i + e' sin tj + e' cost k with respect to arc length measured from the point (1, 0, 1) in the direction of increasing t. 11. For the curve given by r(t) = (sin³t, cos³t, sin²t), 0 ≤t≤ π/2, find 365 X 21 (a) the unit tangent vector, (b) the unit normal vector, (1 1010 (c) the unit binormal vector, and pont (d) the curvature. libyluonnon STUIN 51 12. Find the curvature of the ellipse x = 3 cos t, y = 4 sin tat the points (3, 0) and (0, 4). 13. Find the curvature of the curve y = x4 at the point (1, 1). 14. Find an equation of the osculating circle of the curve y = x - x² at the origin. Graph both the curve and its osculating circle.i.tlls to 15. Find an equation of the osculating plane of the curve x = sin 2t, y = t, z = cos 2t at the point (0, 7, 1).
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